Scaling of energy confinement time in the Globus-M spherical tokamak

被引：19

作者：

Kurskiev, G. S. ^{[1
]}

Gusev, V. K. ^{[1
]}

Sakharov, N. V. ^{[1
]}

Bakharev, N. N. ^{[1
]}

Iblyaminova, A. D. ^{[1
]}

Shchegolev, P. B. ^{[1
]}

Avdeeva, G. F. ^{[1
]}

Kiselev, E. O. ^{[1
]}

Minaev, V. B. ^{[1
]}

Mukhin, E. E. ^{[1
]}

Patrov, M. I. ^{[1
]}

Petrov, Yu V. ^{[1
]}

Telnova, A. Yu ^{[1
]}

Tolstyakov, S. Yu ^{[1
]}

机构：

[1] Ioffe Inst, St Petersburg, Russia

来源：

PLASMA PHYSICS AND CONTROLLED FUSION | 2017年 / 59卷 / 04期

关键词：

spherical tokamak; confinement time; scaling;

D O I：

10.1088/1361-6587/aa5cd5

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The paper is devoted to an energy confinement study at the Globus-M spherical tokamak (ST). Experiments were performed in single null divertor configuration with elongation as high as 1.8-1.9 for variable plasma current and fixed toroidal magnetic field. The confinement time (tau(E)) dependence on density for ohmic-heated (OH) deuterium plasma is presented. It was found that tau(E) rises linearly with plasma current in H-mode with pure ohmic heating. Pronounced electron and ion heating was achieved in discharges with neutral beam injection at a moderate density level. The dependence of tau(E) on absorbed power was weak.

引用

页数：7

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